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Finding the Third Proportional to 127,180,969.80 and 275,490,440.30

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Solution

The third proportional to 127,180,969.80 and 275,490,440.30 is: 596,747,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,180,969.80 : 275,490,440.30 = 275,490,440.30 : x
  2. Step 2: Convert to fraction form
    127,180,969.80/275,490,440.30 = 275,490,440.30/x
  3. Step 3: Cross multiply
    127,180,969.80x = 275,490,440.30 × 275,490,440.30
  4. Step 4: Simplify right side
    127,180,969.80x = 75,894,982,694,968,800
  5. Step 5: Solve for x
    x = 75,894,982,694,968,800/127,180,969.80
  6. Step 6: Final answer
    x = 596,747,947.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.